Physics MCQs for Class 9 with Answers Chapter 1

A body covers distance 20 m in 5 seconds. Its speed will be:

2 ms-1

4 ms-1

5 ms-1

10 ms-1

1 ms-1 = ? kmh-1

0.1kmh-1

3600 km

3.6kmh-1

3600 m

In circular motion, the motion of every particle of body is:

Different

Opposite

Same

None of these

If a force of 25 N is acting along the string to balance the weight then tension in string is:

25 N

50 N

ZERO

None of these

A scalar has:

Direction only

Magnitude only

Both magnitude and direction

None of these

The velocity of bodies falling down:

Decreases

Increases

Constant

Zero

A scalar has

Direction only

Magnitude only

Both magnitude and direction

None of these

Product of mass and velocity of a body is called

Torque

Force

Work

Momentum

Displacement is a quantity:

Scalar

Vector

Boath a & b

None of these

The speed-time graph of a car is shown in the figure. which of the following statement is true?

Car has an acceleration of 1.5 ms-2

Car has constant speed of 7.5 ms-1

Distance traveled by the car is 75 m

Average speed of the car is 15 ms-1